Narrator (archive sound) 罗德·瑟林

Martin Sloan (archive footage) 吉格·杨

Robert Sloan (archive footage) 弗兰克·奥弗顿

Henry Bemis (archive footage) 布吉斯·梅迪斯

Mr. Carsville (archive footage) 沃恩·泰勒

Helen Bemis (archive footage) Jacqueline deWit

Bandaged Janet Tyler (archive footage) Maxine Stuart

Woman (archive footage) 艾格尼丝·摩尔黑德

Michael Chambers (archive footage) 劳埃德·博赫纳

Patty (archive footage) Susan Cummings

Kanamit (archive footage) 理查德·基尔

Steve Brand (archive footage) 克劳德·艾金斯

Les Goodman (archive footage) Barry Atwater

Charlie Farnsworth (archive footage) 杰克·韦斯顿

Mrs. Sloan (archive footage) Irene Tedrow

Wilcox Boy (archive footage) 朗·霍华德

Charlie (archive footage) Byron Foulger

Mrs. Chester (archive footage) Lela Bliss

Doctor (archive footage) William D. Gordon

Janet's Nurse (archive footage) Jennifer Howard

Leader (archive footage) George Keymas

Astronaut (archive footage) Douglas Heyes

Citizen Gregori (archive footage) Theo Marcuse

Secretary General (archive footage) Hardie Albright

Tommy (archive footage) Jan Handzlik

Don Martin (archive footage) Burt Metcalfe

Sally (archive footage) Mary Gregory

Wilcox (archive footage) 比尔·厄尔文

Mr. Wilson (archive footage) Pat O'Malley

Myra Brand (archive footage) Anne Barton

Mrs. Goodman (archive footage) Leah Waggner

Pete Van Horn (archive footage) Ben Erway

Mrs. Farnsworth (archive footage) Lyn Guild

Walter Smith (archive footage) Edson Stroll

Janet Tyler (archive footage) Donna Douglas

Scientist (archive footage) Nelson Olmsted

Colonel #1 (archive footage) Bartlett Robinson

Colonel #2 (archive footage) 卡尔顿·杨

Senor Valdes (archive footage) Robert Tafur

Leveque (archive footage) Lomax Study

Japanese Delegate (archive footage) Jerry Fujikawa